This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109.
Older unsupported versions may also be affected.
Users are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118 which fix the issue.
No advisories yet.
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
Fri, 15 May 2026 16:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* |
Thu, 14 May 2026 21:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Thu, 14 May 2026 20:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
cvssV3_1
|
Tue, 12 May 2026 19:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Apache
Apache tomcat |
|
| Vendors & Products |
Apache
Apache tomcat |
Tue, 12 May 2026 18:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
Tue, 12 May 2026 16:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Improper Handling of Case Sensitivity vulnerability in LockOutRealm in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Older unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118 which fix the issue. | |
| Title | Apache Tomcat: LockOutRealm treats user names as case-sensitive | |
| Weaknesses | CWE-178 | |
| References |
|
Projects
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Status: PUBLISHED
Assigner: apache
Published:
Updated: 2026-05-14T19:53:30.781Z
Reserved: 2026-05-01T16:21:04.703Z
Link: CVE-2026-43513
Updated: 2026-05-12T17:41:00.529Z
Status : Analyzed
Published: 2026-05-12T16:16:18.177
Modified: 2026-05-15T15:53:14.517
Link: CVE-2026-43513
No data.
OpenCVE Enrichment
Updated: 2026-05-14T22:00:10Z